A.<5s B.10s C.15s D.20s E.25s
A.0%~20% B.20%~40% C.40%~60% D.60%~80% E.80%~100%
A.Bekesy自描測(cè)聽 B.電反應(yīng)測(cè)聽 C.音叉試驗(yàn) D.純音測(cè)聽 E.言語(yǔ)測(cè)聽